Hawthorne Wind Aid Is an equine breathing aid that offers temporary relief from coughs, allergies and minor breathing problems. It's blend of aromatic oils and potassium iodide work to reduce mucus which is always a factor with respiratory-tract problems. It's soothing glycerine base coats the irritated surfaces of the throat while helping to reduce inflammation. It also works as an expectorant, allowing for freer breathing and more open air passages, which makes your horse more comfortable and better able to perform.